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LIFE SCIENCE- CROSSWORD PUZZLE

Across
A group of similar organisms that can mate with each other and produce offspring that can also mate and reproduce
Any change or signal in the environment that can make an organism react in some way
A unicellular organism that lacks a nucleus and some other cell structures
The first stage of the cell that takes place before cell division occurs during which a cell grows and makes a copy of its DNA
An organism that cannot make it's own food and gets its food from other living things
The process by which cells release energy by breaking down food molecules without using oxygen
A threadlike structure within a cells nucleus that contains DNA that is passed from one generation to the next.
The second stage of the cell cycle during which the cells nucleus divides into two new nuclei and one set of DNA is distributed into each daughter cell
The basic unit of structure and function in living things
The process by which a cell makes a copy of the DNA in it's nucleus before cell division
The process by which plants and other autotrophs capture and use light energy to make food from carbon dioxide and water
Down
The series in events in which a cell grows, prepares for division and divides to form two daughter cells
The condition in which an organisms internal environment is kept stable in spite of changes in the external environment
Three or more possible alleles of a gene that determine a trait
A green photosynthetic pigment found in the chloroplasts of plants, algae, and some bacteria
Organelles that capture energy from sunlight and use it to produce food for the cell
An organism that is able to capture energy from sunlight or chemicals and use it to produce it's own food
An organism whose cells contain a nucleus
The final stage of the cell cycle in which the cells cytoplasm divides distributing the organelles into each of the two new daughter cells
A living thing